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Kye
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import time | ||
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import torch | ||
import torch.nn as nn | ||
import torch.optim as optim | ||
import torchvision.datasets as datasets | ||
import torchvision.transforms as transforms | ||
from zeta.nn.modules.pulsar import Pulsar | ||
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# --- Neural Network Definition --- | ||
class NeuralNetwork(nn.Module): | ||
def __init__(self, activation_function): | ||
super(NeuralNetwork, self).__init__() | ||
self.fc1 = nn.Linear(28*28, 512) | ||
self.fc2 = nn.Linear(512, 256) | ||
self.fc3 = nn.Linear(256, 10) | ||
self.activation = activation_function | ||
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def forward(self, x): | ||
x = x.view(-1, 28*28) | ||
x = self.activation(self.fc1(x)) | ||
x = self.activation(self.fc2(x)) | ||
return self.fc3(x) | ||
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# --- Dataset Preparation --- | ||
transform = transforms.Compose([transforms.ToTensor(), transforms.Normalize((0.5,), (0.5,))]) | ||
train_dataset = datasets.MNIST(root='./data', train=True, transform=transform, download=True) | ||
train_loader = torch.utils.data.DataLoader(train_dataset, batch_size=64, shuffle=True) | ||
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# --- Training Function --- | ||
def train(model, train_loader, epochs=5): | ||
optimizer = optim.Adam(model.parameters(), lr=0.001) | ||
criterion = nn.CrossEntropyLoss() | ||
for epoch in range(epochs): | ||
for i, (images, labels) in enumerate(train_loader): | ||
outputs = model(images) | ||
loss = criterion(outputs, labels) | ||
optimizer.zero_grad() | ||
loss.backward() | ||
optimizer.step() | ||
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# --- Benchmarking --- | ||
activations = { | ||
"ReLU": nn.ReLU(), | ||
"LogGamma": Pulsar(), | ||
} | ||
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for name, act in activations.items(): | ||
model = NeuralNetwork(act) | ||
start_time = time.time() | ||
train(model, train_loader) | ||
end_time = time.time() | ||
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print(f"{name} - Training Time: {end_time - start_time:.2f} seconds") |
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